SpecialFunctions.hpp

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#pragma ident "$Id: SpecialFunctions.hpp 2741 2011-06-22 16:37:02Z nwu $"

#ifndef SPECIALFUNCTIONS_HPP
#define SPECIALFUNCTIONS_HPP

//============================================================================
//
//  This file is part of GPSTk, the GPS Toolkit.
//
//  The GPSTk is free software; you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published
//  by the Free Software Foundation; either version 2.1 of the License, or
//  any later version.
//
//  The GPSTk is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with GPSTk; if not, write to the Free Software Foundation,
//  Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
//
//  Dagoberto Salazar - gAGE ( http://www.gage.es ). 2008
//
//============================================================================


#include <cmath>
#include "icd_200_constants.hpp"
#include "Exception.hpp"


namespace gpstk
{



   double gamma(const double val);


   double lngamma(double val);


   double lower_gamma(const double a, const double z);


   double upper_gamma(const double a, const double z);


   double gammaP(const double a, const double z);


   double gammaQ(const double a, const double z);


   double factorial(const int n);


   double factorial(const double d);


   double erf(const double x);


   double erfc(const double x);


   double inverf(const double z);


   double beta(const double x, const double y);


   double lnbeta(double x, double y);


   double regIncompleteBeta(const double x, const double a, const double b)
      throw(InvalidParameter);



}  // End of namespace gpstk
#endif   // SPECIALFUNCTIONS_HPP

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